Allen-Bradley MicroLogix 1762-IF4 Manuale utente

Installation Instructions

MicroLogix 1762-IF4 Analog Input Module

Catalog Number 1762-IF4

Table of Contents

Topic Page

Important User Information 2

North American Hazardous Location Approval 4

Additional Resources 5

Overview 6

Module Description 7

Mount the Module 8

Field Wiring Connections 11

Input Type Selection 12

Wiring the Finger-Safe Terminal Block 15

Wire Size and Terminal Screw Torque 15

Specifications 20

2MicroLogix 1762-IF4 Analog Input Module

Publication 1762-IN012C-EN-P - June 2013

Important User Information

Solid state equipment has operational characteristics differing from those of electromechanical equipment.

Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (Publication

SGI-1.1 available from your local Rockwell Automation sales office or online at

http://literature.rockwellautomation.com) describes some important differences between solid state

equipment and hard-wired electromechanical devices. Because of this difference, and also because of the

wide variety of uses for solid state equipment, all persons responsible for applying this equipment must

satisfy themselves that each intended application of this equipment is acceptable.

In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages

resulting from the use or application of this equipment.

The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many

variables and requirements associated with any particular installation, Rockwell Automation, Inc. cannot

assume responsibility or liability for actual use based on the examples and diagrams.

No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits,

equipment, or software described in this manual.

Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell

Automation, Inc., is prohibited.

Throughout this manual, when necessary, we use notes to make you aware of safety considerations.

WARNING

Identifies information about practices or circumstances that can cause an explosion in

a hazardous environment, which may lead to personal injury or death, property

damage, or economic loss.

IMPORTANT

Identifies information that is critical for successful application and understanding of

the product.

ATTENTION

Identifies information about practices or circumstances that can lead to personal injury

or death, property damage, or economic loss. Attentions help you identify a hazard,

avoid a hazard and recognize the consequences.

SHOCK HAZARD

Labels may be on or inside the equipment (for example, drive or motor) to alert people

that dangerous voltage may be present.

BURN HAZARD

Labels may be on or inside the equipment (for example, drive or motor) to alert people

that surfaces may reach dangerous temperatures.

MicroLogix 1762-IF4 Analog Input Module 3

Publication 1762-IN012C-EN-P - June 2013

Environment and Enclosure

Preventing Electrostatic Discharge

ATTENTION

This equipment is intended for use in a Pollution Degree 2 industrial

environment, in overvoltage Category II applications (as defined in IEC 60664-1),

at altitudes up to 2000 m (6562 ft) without derating.This equipment is

considered Group 1, Class A industrial equipment according to IEC/CISPR 11.

Without appropriate precautions, there may be difficulties with electromagnetic

compatibility in residential and other environments due to conducted and

radiated disturbances.

This equipment is supplied as open-type equipment. It must be mounted within

an enclosure that is suitably designed for those specific environmental

conditions that will be present and appropriately designed to prevent personal

injury resulting from accessibility to live parts. The enclosure must have suitable

flame-retardant properties to prevent or minimize the spread of flame,

complying with a flame spread rating of 5VA, V2, V1, V0 (or equivalent) if

non-metallic. The interior of the enclosure must be accessible only by the use of

a tool. Subsequent sections of this publication may contain additional

information regarding specific enclosure type ratings that are required to comply

with certain product safety certifications.

In addition to this publication, see:

•Industrial Automation Wiring and Grounding Guidelines, for additional

installation requirements, Allen-Bradley publication 1770-4.1.

•NEMA Standards 250 and IEC 60529, as applicable, for explanations of

the degrees of protection provided by different types of enclosure.

ATTENTION

This equipment is sensitive to electrostatic discharge, which can cause internal

damage and affect normal operation. Follow these guidelines when you handle

this equipment:

•Touch a grounded object to discharge potential static.

•Wear an approved grounding wriststrap.

•Do not touch connectors or pins on component boards.

•Do not touch circuit components inside the equipment.

•Use a static-safe workstation, if available.

•Store the equipment in appropriate static-safe packaging when not in use.

4MicroLogix 1762-IF4 Analog Input Module

Publication 1762-IN012C-EN-P - June 2013

North American Hazardous Location Approval

The following modules are North American Hazardous Location approved: 1762-IF4

The following information applies when

operating this equipment in hazardous

locations:

Informations sur l’utilisation de cet

équipement en environnements dangereux:

Products marked "CL I, DIV 2, GP A, B, C, D" are

suitable for use in Class I Division 2 Groups A, B, C,

D, Hazardous Locations and nonhazardous

locations only. Each product is supplied with

markings on the rating nameplate indicating the

hazardous location temperature code. When

combining products within a system, the most

adverse temperature code (lowest "T" number) may

be used to help determine the overall temperature

code of the system. Combinations of equipment in

your system are subject to investigation by the

local Authority Having Jurisdiction at the time of

installation.

Les produits marqués "CL I, DIV 2, GP A, B, C, D" ne

conviennent qu'à une utilisation en environnements de

Classe I Division 2 Groupes A, B, C, D dangereux et non

dangereux. Chaque produit est livré avec des

marquages sur sa plaque d'identification qui indiquent

le code de température pour les environnements

dangereux. Lorsque plusieurs produits sont combinés

dans un système, le code de température le plus

défavorable (code de température le plus faible) peut

être utilisé pour déterminer le code de température

global du système. Les combinaisons d'équipements

dans le système sont sujettes à inspection par les

autorités locales qualifiées au moment de l'installation.

WARNING

EXPLOSION HAZARD

• Do not disconnect equipment

unless power has been removed or

the area is known to be

nonhazardous.

• Do not disconnect connections to

this equipment unless power has

been removed or the area is known

to be nonhazardous. Secure any

external connections that mate to

this equipment by using screws,

sliding latches, threaded

connectors, or other means

provided with this product.

• Substitution of components may

impair suitability for Class I,

Division 2.

• If this product contains batteries,

they must only be changed in an

area known to be nonhazardous.

• All wiring must comply with N.E.C.

article 501-4(b).

• The interior of the enclosure must

be accessible only by the use of a

tool.

• For applicable equipment (relay

modules, etc.), exposure to some

chemicals may degrade the sealing

properties of materials used in the

following devices: Relays, Epoxy. It

is recommended that the User

periodically inspect these devices

for any degradation of properties

and replace the module if

degradation is found.

AVERTISSEMENT

RISQUE D’EXPLOSION

• Couper le courant ou s’assurer que

l’environnement est classé non

dangereux avant de débrancher

l'équipement.

• Couper le courant ou s'assurer que

l'environnement est classé non

dangereux avant de débrancher les

connecteurs. Fixer tous les connecteurs

externes reliés à cet équipement à

l'aide de vis, loquets coulissants,

connecteurs filetés ou autres moyens

fournis avec ce produit.

• La substitution de composants peut

rendre cet équipement inadapté à une

utilisation en environnement de Classe

I, Division 2.

• S’assurer que l’environnement est

classé non dangereux avant de changer

les piles.

MicroLogix 1762-IF4 Analog Input Module 5

Publication 1762-IN012C-EN-P - June 2013

Additional Resources

If you would like a manual, you can:

• download a free electronic version from the Internet:

http://literature.rockwellautomation.com

• purchase a printed manual by contacting your local Allen-Bradley distributor or

Rockwell Automation representative

Resource Description

MicroLogix 1100 Programmable Controllers User

Manual, publication 1763-UM001.

A more detailed description of how to install and use

your MicroLogix 1100 programmable controller and

expansion I/O system.

MicroLogix 1200 Programmable Controllers User

Manual, publication 1762-UM001.

A more detailed description of how to install and use

your MicroLogix 1200 programmable controller and

expansion I/O system.

MicroLogix 1400 Programmable Controllers User

Manual, publication 1766-UM001.

A more detailed description of how to install and use

your MicroLogix 1400 programmable controller and

expansion I/O system.

MicroLogix 1100 Programmable Controllers

Installation Instructions, publication 1763-IN001.

Information on installing and using the

MicroLogix 1100 programmable controller.

MicroLogix 1200 Programmable Controllers

Installation Instructions, publication 1762-IN006.

Information on installing and using the

MicroLogix 1200 programmable controller.

MicroLogix 1400 Programmable Controllers

Installation Instructions, publication 1766-IN001.

Information on installing and using the

MicroLogix 1400 programmable controller.

Industrial Automation Wiring and Grounding

Guidelines, publication 1770-4.1.

More information on proper wiring and grounding

techniques.

6MicroLogix 1762-IF4 Analog Input Module

Publication 1762-IN012C-EN-P - June 2013

Overview

The 1762 input module is suitable for use in an industrial environment when installed in

accordance with these instructions. Specifically, this equipment is intended for use in clean, dry

environments (Pollution degree 2(1)) and to circuits not exceeding Over Voltage Category II(2)

(IEC 60664-1)(3).

Install your module using these installation instructions.

1762 Input Module

(1) Pollution Degree 2 is an environment where, normally, only non-conductive pollution occurs except that occasionally a

temporary conductivity caused by condensation shall be expected.

(2) Over Voltage Category II is the load level section of the electrical distribution system. At this level transient voltages are

controlled and do not exceed the impulse voltage capability of the product’s insulation.

(3) Pollution Degree 2 and Over Voltage Category II are International Electrotechnical Commission (IEC) designations.

ATTENTION

Do not remove the protective debris strip until after the module and all other

equipment in the panel near the module are mounted and wiring is complete.

Once wiring is complete, remove protective debris strip. Failure to remove strip

before operating can cause overheating.

ATTENTION

Electrostatic discharge can damage semiconductor devices inside the module.

Do not touch the connector pins or other sensitive areas.

Debris strip

45155

MicroLogix 1762-IF4 Analog Input Module 7

Publication 1762-IN012C-EN-P - June 2013

Module Description

Description Description

1a upper panel mounting tab 6 pull loop

1b lower panel mounting tab 7 module door with terminal identification label

2 power diagnostic LED 8 bus connector cover

3 flat ribbon cable with bus connector (female) 9 bus connector with male pins

4 DIN rail latch 10 terminal block

5 input type selector switch

ATTENTION

To comply with UL restrictions, this equipment must be powered from a source

compliant with Class 2 or Limited Voltage/Current.

Left side view

Front view

This equipment is sensitive to electrostatic discharge (ESD).

Follow ESD prevention guidelines when handling this equipment.

45157

45156

8MicroLogix 1762-IF4 Analog Input Module

Publication 1762-IN012C-EN-P - June 2013

Mount the Module

General Considerations

Most applications require installation in an industrial enclosure to reduce the effects of electrical

interference and environmental exposure. Locate your controller as far as possible from power

lines, load lines, and other sources of electrical noise such as hard-contact switches, relays, and

AC motor drives. For more information on proper grounding guidelines, see the Industrial

Automation Wiring and Grounding Guidelines, publication 1770-4.1.

Mounting Dimensions

ATTENTION

This product is intended to be mounted to a well-grounded mounting surface

such as a metal panel. Additional grounding connections from the power

supply's mounting tabs or DIN rail (if used) are not required unless the mounting

surface cannot be grounded. Refer to Industrial Automation Wiring and

Grounding Guidelines, Allen-Bradley publication 1770-4.1, for additional

information.

45158

Measurements do not include mounting feet or DIN rail latches.

90 mm

(3.5 in.)

87 mm

(3.43 in.)

40.4 mm (1.59 in.)

MicroLogix 1762-IF4 Analog Input Module 9

Publication 1762-IN012C-EN-P - June 2013

Module Spacing

Maintain spacing from objects such as enclosure walls, wireways and adjacent equipment. Allow

50.8 mm (2 in.) of space on all sides for adequate ventilation, as shown:

DIN Rail Mounting

The module can be mounted using the following DIN rails: 35 x 7.5 mm (EN 50 022 - 35 x 7.5)

or 35 x 15 mm (EN 50 022 - 35 x 15).

Before mounting the module on a DIN rail, close the DIN rail latch. Press the DIN rail

mounting area of the module against the DIN rail. The latch will momentarily open and lock

into place.

Use DIN rail end anchors (Allen-Bradley part number 1492-EA35 or 1492-EAH35) for

vibration or shock environments.

TIP

For environments with greater vibration and shock concerns, use the panel

mounting method described below, instead of DIN rail mounting.

MicroLogix

1100/1200/1400

1762 I/O

Top

Bottom

Side

44913

Side

45159

End anchor

10 MicroLogix 1762-IF4 Analog Input Module

Publication 1762-IN012C-EN-P - June 2013

Panel Mounting

Use the dimensional template shown below to mount the module. The preferred mounting

method is to use two M4 (#8) panhead screws per module. M3.5 (#6) panhead screws may also

be used, but a washer may be needed to ensure a good mechanical contact. Mounting screws are

required on every module.

System Assembly

The expansion I/O module is attached to the controller or another I/O module by means of a

flat ribbon cable after mounting as shown below.

TIP

Use the pull loop on the connector to disconnect modules. Do not pull on the

ribbon cable.

(3.54)

100.06

(3.939)

40.4

(1.59)

40.4

(1.59)

14.2

(0.568)

MicroLogix

1100/1200/1400

1762 I/O

95 (3.74)

44914

For more than two I/O modules: measure (number of modules - 1) x 40 mm (1.59 in.)

NOTE: All dimensions are in mm (in.). Hole spacing tolerance: ±0.4 mm (0.016 in.).

45160

Bus connector covers

1762 expansion

bus connector

cover

Indice

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